"The State Department and CIA weren't the only entities involved. Some operators in Benghazi on the night of the attack, who are still working for U.S. agencies, insist there were at least eight elected members of Congress read in on controversial operations that were ongoing in the country, including some Republicans. Operators also tell Fox News that many of these operatives and operations were completely unknown to the Libyan government and that would have caused an international incident if they were revealed. They wonder whether that is the reason some Republicans have allegedly been treading lightly. "
There you have your answer.